Work with Jobs in ArcGIS Admin Console
In new version “Jobs” is added under SITE to review and monitor Geoprocessing jobs
In new version instead of each service running under dedicated pool , the services can share the instance pool to conserve memory and efficiently manage workloads.
In new version you can filter logs by REQUEST ID.
A new property is attached to all new service request in ArcGIS Server that can be uniquely identified and reviewed by REQUEST ID.
Default Security Improvements
TLS (Transport Layer Security) is the framework that secures interactions between ArcGIS Server and Client Apps. The communication supports 1.2 version by default.
ArcGIS Online is also slated to use TLS Version 1.2
ArcGIS now sends content-type header -no-sniff that prevents user web browsers from MIME sniffing